A cover-up mark may hide some of the original producer's mark for various reasons. Cover-ups were commonly used by decoration studios, and also by retailers or souvenir shops, albeit not as often. Such marks are notoriously difficult to identify as registration of marks is not mandatory, and much information is lost over time.

M160806a
Rectangular mark containing a crown above "CROWN", "BAVARIA" and "GERMANY". Here with pattern name "FANTASY".

M160806b
Rectangular mark containing a crown above "CROWN", "BAVARIA" and "GERMANY". Here with pattern name "ELEGANCE".